Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 31, 2017, 07:58 AM
  • Section#1_29 0373_29 0372__7312017__G6786.mp4

Date
07/31/2017
W/O
0646435
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z01018
PipeID
P24410
Time
12:58 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
G6786
Sewer Name
29 21ST STREET TRUNK
City
SIGNAL HILL
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 29
Page No.
03
Purpose
Routine Assessment
Project
20170731MDM_21ST_STREET_TRUNK
Material
Vitrified Clay Pipe
Shape
Circular
Height
8 in.
Upstream MH
29 0373
Downstream MH
29 0372
Dir. of Survey
Downstream
Length Surveyed
573.7 ft.
Total Length
573.7 ft.
Structural Index
3
Structural Quick
3V24
Structural Rating
359
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
361
Pipe schematic from manhole 29 0373 to 29 0372
MH: 29 0373MH: 29 0372downstream0 ft. MGO - General Observation - MH CON 3:00 OPEN0 ft. AMH - Upstream Manhole, Survey Begins - 4:05AM0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 5 %of cross sectional area2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG AGG2 ft. MMC - Material Change, Concrete pipe (non-reinfored) - START18.7 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG18.7 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG79.5 ft. FL - Fracture Longitudinal, at 09 o'clock, within 8 inches of joint: YES - SLIGHT109 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: YES, 6" - STUB134.8 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: YES, 6" - OPEN144.2 ft. FC - Fracture Circumferential, from 12 to 04 o'clock, within 8 inches of joint: YES - SLIGHT193.7 ft. FC - Fracture Circumferential, from 02 to 04 o'clock, within 8 inches of joint: YES - SLIGHT228.1 ft. DSGV - Deposits Settled Gravel, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES230.2 ft. FC - Fracture Circumferential, from 11 to 01 o'clock, within 8 inches of joint: YES - SLIGHT235.8 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: YES, 6" - OPEN257.7 ft. TF - Tap Factory Made, at 10 o'clock, -, within 8 inches of joint: YES, 6" - OPEN258.6 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: NO - SEVERE AGG281.6 ft. MGO - General Observation - 8" NRCP333.9 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: YES, 6" - OPEN364.3 ft. FC - Fracture Circumferential, from 11 to 01 o'clock, within 8 inches of joint: YES - SLIGHT440.8 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: YES, 6" - OPEN452.7 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: NO - SEVERE AGG563.4 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: YES, 6" - OPEN565.7 ft. TF - Tap Factory Made, at 12 o'clock, -, within 8 inches of joint: YES, 6" - OPEN573.4 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG573.7 ft. AMH - Downstream Manhole, Survey Ends - 5:15AM

Observation photos (6)

  • Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG AGG

    2 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG AGG

  • Material Change, Concrete pipe (non-reinfored) - START

    2 ft. - Material Change, Concrete pipe (non-reinfored) - START

  • Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG

    18.7 ft. - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG

  • Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: NO - SEVERE AGG

    258.6 ft. - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: NO - SEVERE AGG

  • General Observation - 8" NRCP

    281.6 ft. - General Observation - 8" NRCP

  • Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: NO - SEVERE AGG

    452.7 ft. - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: NO - SEVERE AGG

Observations (27)

DistanceCodeObservation
0MGOMH CON 3:00 OPEN
235.8TFOPEN
573.4SAPSEVERE AGG
193.7FCSLIGHT
144.2FCSLIGHT
563.4TFOPEN
440.8TFOPEN
333.9TFOPEN
281.6MGO8" NRCP
109TFCSTUB
573.7AMH5:15AM
257.7TFOPEN
0AMH4:05AM
134.8TFOPEN
0MWM
228.1DSGV
565.7TFOPEN
2SAVSEVERE AGG AGG
79.5FLSLIGHT
364.3FCSLIGHT
2MMCSTART
0MWL
258.6SAPSEVERE AGG
230.2FCSLIGHT
18.7SAVSEVERE AGG
452.7SAPSEVERE AGG
18.7SAPSEVERE AGG

Properties (4)

custom_field_three
SEVERE AGG PROJECTING
custom_field_two
4
customer
LACSD
datetime
2017-07-31T00:58:57-07:00